Tool holder



FIG. 1 is a perspective view of a tool holder showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being substantially plain;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end view thereof, the opposite side being a mirror image;

FIG. 5 is a bottom view thereof;

FIG. 6 is a perspective view of another embodiment of a tool holder, showing a variation of my new design;

FIG. 7 is a side elevational view thereof, the opposite side being substantially plain;

FIG. 8 is a top plan view thereof;

FIG. 9 is an end view thereof, the opposite end being a mirror image;

FIG. 10 is a bottom view thereof. 

The ornamental design for a tool holder, substantially as shown and described. 